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marin [14]
3 years ago
15

PLEASE HELP!!! I WILL GIVE BRAINLIEST!!!1

Mathematics
1 answer:
qaws [65]3 years ago
4 0
C. (x-2)^2+(y+3)^2=4
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Nola hiked down a trail at a steady rate for 10 minutes. Her change in elevation was -200 ft. Then she continued to hike down fo
umka21 [38]
Her first rate was faster. The 10 minutes with a change in elevation of -200ft.
In order to solve this you need to have the same minutes. In this problem, I just simply took the 10 minutes and the -200ft and doubled it. Now both rates have 20 minutes. The first rate would have gone -400ft in 20 minutes while the second rate was only -300ft in 20 minutes. I hope this wasn't confusing, and I'm willing to explain more.
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3 years ago
Two numbers are in the ratio 7:9. The smaller number is 42. what is the number?​
ddd [48]

Answer:

7/9 = 42/n.

7n = 378,

n = 54.

Step-by-step explanation:

7 0
2 years ago
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Genrish500 [490]

Answer:

8 quaters 3 nickels

Step-by-step explanation:

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2 years ago
Sarah borrowed some money from her father at a simple interest rate of 5.5% to pay for her college tuition. At the end of the ye
gavmur [86]
\bf ~~~~~~ \textit{Simple Interest Earned Amount}
\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &\$2555\\
P=\textit{original amount deposited}\\
r=rate\to 5.5\%\to \frac{5.5}{100}\to &0.055\\
t=years\to &1
\end{cases}
\\\\\\
2555=P[1+(0.055)(1)]\implies \cfrac{2555}{1+(0.055)(1)}=P
\\\\\\
\cfrac{2555}{1.055}=P\implies 2421.800947867 \approx P
4 0
3 years ago
Use the distributive property to rewrite this expression.<br> 3(a + 6)
liq [111]

Answer:

3a + 18

Step-by-step explanation:

6 0
3 years ago
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